Maria Jelescu Dreyfus is CEO and founder of Ardinall Investment Management, which is an investment firm that works in “sustainable investing and resilient infrastructure.” Photo via ExxonMobil

An energy transition expert and investor has joined Houston-headquartered ExxonMobil Corp.’s board of directors.

Maria Jelescu Dreyfus is CEO and founder of Ardinall Investment Management, which is an investment firm that works in “sustainable investing and resilient infrastructure.”

She previously spent 15 years at Goldman Sachs as a portfolio manager and managing director in the Goldman Sachs Investment Partners Group that focused on energy, industrials, transportation and infrastructure investments across the capital structure.

She currently serves as a director on the board of Cadiz Inc. and on the board of CDPQ. She also works in the energy transition space as a director on several companies' boards.

“We welcome Maria to the ExxonMobil Board as the company executes its strategy to grow shareholder value by playing a critical role in a lower-emissions future, even as we continue to provide the reliable energy and products the world needs,” Joseph Hooley, lead independent director for Exxon Mobil Corporation, says in a news release. “Her deep financial background combined with her extensive work in sustainability will complement our Board’s existing skill set.”

Dreyfus is the vice chair of the advisory board of Columbia University’s Center on Global Energy Policy, and serves as co-chair of its Women in Energy program.

“With the close of our Pioneer merger, we gained a premier, tier-one Permian asset, exceptional talent and a new Board member who brings keen strategic insight,” says ExxonMobil Chairman and CEO Darren Woods in the release. “Our boardroom, shareholders and stakeholders will greatly benefit from Maria’s experience.”

By understanding the barriers they encounter, leaders, managers, and recruiters can implement targeted strategies to create more inclusive and diverse work environments. Photo via Getty Images

Houston expert analyzes women's role, challenges in the energy industry

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The Women in Energy Global Study is an annual guide that delivers insights on how to retain female talent in a challenging world. It’s a critical roadmap for business leaders, managers, recruiters, and diversity and inclusion professionals to what women want, need, and can offer in the global energy workplace.

The report dives into the data to reveal the nature and aspirations of the female energy workforce. It explores the kids of jobs women are doing and the level of seniority that they are reaching, the career issues they face, what motivates them to contribute their skills to the energy transition and what they need to truly thrive.

The energy transition was a strong thread running through this year’s global survey with a commitment to Net Zero being the stand-out factor that attracts women to a company. Respondents came from an even greater variety of sectors and roles both within and outside the energy industry, reflecting the growing richness and complexity of energy today and the exciting new opportunities it offers.

This year's results showed that oil and gas is the largest employer of women, followed by renewables, and most respondents have reached middle-management level in their career. However, there are still more women than men at the bottom and more men at the top. Women are more likely to be in project management, while men are more likely to be in engineering, and only 6 percent of field services roles are held by women.

Work-life interface and flexibility

Employers appear to be rolling back some of the flexible working policies introduced during the COVID-19 pandemic yet offering options for where and when work is an important value proposition for any company wanting to attract and retain talent.

The good news is that most men and women feel they now have a good work life balance, a positive shift from last year when most said they didn't. Women said that better flexible working would make the most difference to work-life balance.

Attracting and developing diverse talent and helping women thrive

Companies’ commitment to DEI appears to be declining, a reversal in trend from previous years. If this is more than just lack of visibility of what has become "business as usual," then organizations need to remember that better DEI leads to better business performance and it is critical to communicate efforts in this area.

Key things women want from their employer are better professional development, sponsorship and mentoring, flexible working and the opportunity for job-share or part-time working, but there appears to be delivery gap between availability of policies and their uptake.

The demand for good paternity leave is huge among men – more than half said they wanted to see it introduced or improved – and this could be a gamechanger for both sexes. Additionally, a strong commitment to net zero still makes a company more attractive to both women and men. Other key factors for women when choosing their employer are an inclusive workplace culture, benefits and a commitment to DEI.

Time to pave the way

When we amplify the voices of women in the global energy market, we not only bring attention to the challenges they face but also highlight the vast potential they hold. By understanding the barriers they encounter, leaders, managers, and recruiters can implement targeted strategies to create more inclusive and diverse work environments. This not only benefits women in the industry but also fosters innovation and drives growth in our ever-evolving energy sector. As we pave the way for more opportunities and empowerment for women in energy, we are shaping a brighter and more sustainable future for all.

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Jayne Stewart is vice president of oil, gas and chemicals across the Gulf Coast region in the U.S. for NES Fircroft. She is based in Houston.

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8 Houston companies earn CleanTech Breakthrough Awards

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Eight cleantech companies with Houston headquarters were recognized in this year’s CleanTech Breakthrough Awards program.

CleanTech Breakthrough, part of market intelligence platform Tech Breakthrough, honors innovative and influential energy, climate, and cleantech companies, products and services.

This year’s winners from Houston are:

  • CleanTech Analytics Company of the Year: Amperon, a provider of AI-powered energy forecasting software
  • Overall Hydrogen Solution of the Year: Eclipse Energy, which converts maxed-out oilfields into low-cost sources of hydrogen
  • Energy Production Company of the Year: Fervo Energy, a provider of geothermal power
  • Production Solution of the Year: Quaise Energy, a developer of a drilling system for converting traditional power stations into geothermal energy plants
  • Green Materials Solution of the Year: Solidec, which uses air, water, and electricity to produce chemicals
  • Hydrogen Production Solution of the Year: VEMA Hydrogen, a producer of renewable hydrogen
  • CleanTech Analytics Innovation Award: Finland-based Wärtsilä, a provider of advanced energy storage systems and services, which maintains its U.S. headquarters in Houston
  • Energy Production Platform of the Year: France-based energy giant TotalEnergies, which maintains its U.S. headquarters in Houston

Other Texas companies made the list, including Austin-headquartered Base Power, founded by Justin Lopas and Zach Dell. Zach Dell is the son of Austin billionaire and Houston native Michael Dell, chairman and CEO of Dell Technologies. The company recently started servicing Houston and established an office in Katy.

CleanTech Breakthrough says its annual awards program honors “the visionaries and leaders accelerating the transition to a cleaner, more sustainable future.”

“In a world increasingly focused on sustainability and environmental responsibility, innovation in clean technology has never been more critical,” said Bryan Vaughn, managing director of CleanTech Breakthrough. “This year’s winners represent the very best in ingenuity and execution, delivering solutions that not only reduce environmental impact but also drive efficiency, scalability and real-world results.”

See the full list of the 2026 winners here.

HETI's new executive director takes the helm

new leader

The Houston Energy Transition Initiative has a new executive director.

Sophia Cunningham assumed the position this month, succeeding the organization's founding executive director, Jane Stricker.

"Four years ago, I could never have imagined the opportunities, experiences and relationships this role has enabled," Strickler wrote in an address earlier this year. "I am truly grateful for the support and engagement of Houston’s business and community leaders, the visionary leadership of Bobby Tudor, Scott Nyquist, HETI Members, and the Greater Houston Partnership in creating this initiative at exactly the right moment in time. I am incredibly proud of the HETI and the Partnership team members who have delivered with purpose and passion, and I greatly appreciate Houston’s energy and climate leaders and champions who have supported my agenda, challenged my thinking, broadened my perspectives, and worked with HETI to demonstrate the power of partnership in developing, innovating and advancing the ideas and technologies needed to meet this challenge for our region and the world."

Stricker shared on LinkedIn that she has joined the advisory board of FluxPoint Energy, which launched last month during CERAWeek, in addition to her other roles at Greentown Labs, Prana Low Carbon Economy Investments and UNC Kenan-Flagler Energy Center.

Cunningham previously served as vice president at HETI, where she was responsible for efforts related to carbon capture, use and storage; methane management; community engagement and stakeholder activation. Before joining HETI, she was director of public policy at The Greater Houston Partnership.

She earned her master's in Energy Management and Systems Technology from Texas A&M University and holds a bachelor's degree from Davidson College.

“I’m honored to step into the role of Executive Director of the Houston Energy Transition Initiative at such a pivotal moment for our industry," Cunningham said over email. "Houston has the talent, infrastructure, and leadership to meet growing global energy demand while reducing emissions, and I’m excited to work alongside our members and partners to accelerate solutions that are reliable, affordable, and scalable.”

The Greater Houston Partnership launched HETI in June 2021 to "meet a Dual Challenge of producing more energy that the world needs with less emissions," according to its website.

Pattern Energy expands clean energy portfolio with acquisition of Canadian producer

acquisition closed

Clean energy and transmission infrastructure company Pattern Energy completed the acquisition of Canadian independent power producer Cordelio Power this month.

Pattern Energy, which is headquartered in San Francisco and has major operations in Houston, will now own one of the largest independent clean energy infrastructure platforms in North America, according to a release.

Pattern Energy will add approximately 1,550 megawatts of operating and in-construction assets, including 16 wind, solar and energy storage projects across the United States and Canada, as part of the deal. In addition, they have also acquired the majority of Cordelio’s development pipeline in key U.S. markets and members of Cordelio’s team.

“Closing this transaction marks a significant milestone for Pattern Energy as we continue to scale our platform to meet North America’s growing energy needs,” Hunter Armistead, CEO of Pattern Energy, said in the release. “Cordelio brings a highly complementary portfolio of quality assets and a talented team. Together, we are even better positioned to power the future.”

Currently, Pattern Energy’s portfolio includes wind, solar and energy storage projects in over 40 facilities in North America. Pattern Energy had 12,000 megawatts of operating and in-construction capacity before the deal.

The acquisition was first announced Jan. 6, 2025.

“Pattern and Cordelio share a commitment to responsible development and the communities in which we work,” Chris Hind, CEO of Cordelio Power, said in a news release. “We look forward to joining with Pattern Energy to deliver high-quality projects with expanded product offerings to support customers across more markets.”


Pattern Energy doubled down on its Houston commercial space in 2023, moving the company's development, meteorological, transmission and energy trading teams to a new office in the Montrose Collective. The company's Operations Control Center is also based in Houston.

Its Houston-based development team was assigned to work on Pattern's SunZia Transmission and Wind project in New Mexico and Arizona, expected to be one of the largest clean energy infrastructure projects in U.S. The project is targeting commercial operations this year, according to Pattern Energy's website.